TY  - BOOK
AU  - Cooke, Fred.
AU  - Rockwell, Robert F.
AU  - Lank, David B.
TI  - Snow geese of La Perouse Bay: Natural selection in the wild
T2  - Oxford ornithology series
SN  - 0198540647
U1  - 598.41 
PY  - 1995///
CY  - Oxford
PB  - Oxford Univ.Press
ER  -